题目

通过调查家族人口的迁移，我们发现人口的迁移 A.空间移动是单一的 B.移民原因是相同的 C.新中国成立后到改革开放前这一段时间的家族移民具有政治原因的较多 D.改革开放后的家族移民数量较少   答案：CCanada is a very large country.It is bigger than China.China is the third largest country in the world.Canada is the second largest.It has an area of nearly 10 million sq. km. Canada has a very long coastline.To the west is the Pacific Ocean.To the east is the Atlantic Ocean.The Arctic Ocean is in the north.There are very many islands off the Pacific coast and off the Arctic coast.The biggest one in the west is Vancouver Island.In the east there is New Foundland,and in the Arctic Ocean the biggest islands are Baffin Island and Victoria Island.（Greenland is not part of Canada.It is a part of Denmark,a country in northern Europe.）Canada has a long border with the U.S.A.in the south.In the northwest Canada borders on the American“State of Alaska”.Canada is a northern country.The Arctic Circle is （Latitude 16°N） passes through the northern part.In the south,half of the border with the U.S.A. follows line of latitude 49°N1.Which of the following statements is true?A.U.S.A is the second largest country in the worldB.Canada has nearly 10 million sq. km.So it is the second largest country on the earthC.China is as large as Canada and the second largest in the worldD.Russia is the second largest country in the world2.What ocean is in the north of Canada?A.The Pacific OceanB.The Atlantic OceanC.The Indian OceanD.The Arctic Ocean3.There are many islands in Canada,and Vancouver Island is ________A.in the westB.in the eastC.in the northD.in the south